Male individuals jousting with their horns while the herd is resting on the ground at the lake, Sambar Deer, Rusa unicolor, Phu Khiao Wildlife Sanctuary, Thailand

phu khiao wildlife sanctuary deers of asia sambar deer national parks in thailand mammals wild animals wildlife artiodactyla ruminants in asia animals herd wild birds rusa sambar 4k footage jungles stag grazing deer natural habitat forests ruminant rusa unicolor lake omnivorous cervidae nature vulnerable species trees forest antlers national parks pheasants prey sanctuary predator doe 4k resolution water grassland brown cervinae muntiacus green cud vulnerable grass afternoon summer